Graham Corporation (NYSE:GHM), a global leader in the design and manufacture of mission critical fluid, power, heat transfer, vacuum and advanced mixing technologies for the Defense, Space, Energy, and Process industries, announced that it will release its first quarter fiscal year 2027 financial results before financial markets open on Thursday, August 6, 2026.

The Company will host a conference call and webcast to review its financial and operating results, strategy, and outlook. A question-and-answer session will follow.

First Quarter Fiscal Year 2027 Financial Results Conference Call

Thursday, August 6, 2026

11:00 a.m. Eastern Time

Phone: (877) 407-0784 or (201) 689-8560 (International)

Internet webcast link and accompanying slide presentation: ir.grahamcorp.com

A telephonic replay will be available from 3:00 p.m. ET on the day of the teleconference through Thursday, August 13, 2026. To listen to the archived call, dial (844) 512-2921 and enter conference ID number 13761669 or access the webcast replay via the Company’s website at ir.grahamcorp.com, where a transcript will also be posted once available.

ABOUT GRAHAM CORPORATION

Graham is a global leader in the design and manufacture of mission critical fluid, power, heat transfer, vacuum, and advanced mixing technologies for the Defense, Space, Energy, and Process industries. Graham Corporation and its family of global brands are built upon world-renowned engineering expertise, proprietary technologies, as well as its responsive and flexible service and the unsurpassed quality customers have come to expect from the Company’s products and systems. Graham Corporation routinely posts news and other important information on its website, grahamcorp.com, where additional information on Graham Corporation and its businesses can be found.

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Christopher J. Thome

Vice President - Finance and CFO

Phone: (585) 343-2216

Tom Cook

Investor Relations

Phone: (203) 682-8250

Tom.Cook@icrinc.com